Table 4 Prevalence of airway obstruction based on spirometry performance among respondents stratified by household fuel use (N = 1056)
Lung function indicesa | All Participants (N = 1056) | Liquefied petroleum gas user (n = 319) | Mixed fuel user (n = 202) | Solid biomass fuel user (n = 535) | p-value |
|---|---|---|---|---|---|
FEV1/FVC < 70% predicted | 237 (22.4) | 25 (7.84) | 46 (22.77) | 166 (31.03) | < 0.001 |
FEV1/FVC < 70% and FEV1 < 80% predicted | 103 (9.75) | 9 (2.82) | 21 (10.4) | 73 (13.64) | < 0.001 |
FEV1/FVC < 70% and FEV1 < 50% predicted | 23 (2.17) | 2 (0.18) | 6 (0.56) | 15 (1.42) | < 0.001 |